All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
Did you know?
Everyone has one nostril that is larger than the other.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The horizontal fraction bar was introduced by the Arabs.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
The liver in this photograph was from a deceased patient with an advanced state of cirrhosis.
Muscles of Head and Neck Back
Comparison of reactions at equilibrium and steady state
Pluto is back
How Urban Is Your State? The Rural-Urban Makeup of the United States
Organization of the Alpha-globin gene subfamily on chromosome 16